Sofa



FIG. 1 is a perspective view of the sofa of the present invention;

FIG. 2 is a front view of the sofa of FIG. 1;

FIG. 3 is a rear view of the sofa of FIG. 1;

FIG. 4 is a top view of the sofa of FIG. 1;

FIG. 5 is a bottom view of the sofa of FIG. 1; and,

FIG. 6 is a side view of the sofa of FIG. 1. 

The ornamental design for a sofa, as shown and described. 